Home / 186,834.40-280,057.20-102,464.80

Finding the Fourth Proportional to 186,834.40, 280,057.20 and 102,464.80

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Solution

The fourth proportional to 186,834.40, 280,057.20 and 102,464.80 is: 153,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,834.40 : 280,057.20 = 102,464.80 : x
  2. Step 2: Convert to fraction form
    186,834.40/280,057.20 = 102,464.80/x
  3. Step 3: Cross multiply
    186,834.40x = 280,057.20 × 102,464.80
  4. Step 4: Simplify right side
    186,834.40x = 28,696,004,986.56
  5. Step 5: Solve for x
    x = 28,696,004,986.56/186,834.40
  6. Step 6: Final answer
    x = 153,590.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.